#!/usr/bin/env python
# -*- coding:utf-8 -*-

# file:do_exam3.py
# author:柴运泽
# datetime:2022-02-06 17:19
# software: PyCharm

"""
3 从键盘输入一个人的姓名，比如，“Tom”，然后在屏幕上输出“hello Tom！”
"""
name = input()
print(f'hello {name}!')